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Τὰ πάντα ῥεῖ καὶ οὐδὲν μένει → Everything flows and nothing stands still
P. and V. ἔχθρα, ἡ, ἔχθος, τό; see dislike, hostility.
opposition: P. ἐναντίωσις, ἡ.
discord: P. and V. ἔρις, ἡ.